Finding the Fourth Proportional to 104,751.81, 157,129.16 and 29,871.99
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Solution
The fourth proportional to 104,751.81, 157,129.16 and 29,871.99 is: 44,808.40
Step by Step Solution
- Step 1: Write the proportion equation
104,751.81 : 157,129.16 = 29,871.99 : x - Step 2: Convert to fraction form
104,751.81/157,129.16 = 29,871.99/x - Step 3: Cross multiply
104,751.81x = 157,129.16 × 29,871.99 - Step 4: Simplify right side
104,751.81x = 4,693,760,546.87 - Step 5: Solve for x
x = 4,693,760,546.87/104,751.81 - Step 6: Final answer
x = 44,808.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.